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Standard

ISO/IEC TR 22767:2005

Historical draft

Note: This standard has a new edition: ISO/IEC TR 22767:2005

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Language
Services

Abstract

ISO/IEC TR 22767:2005 describes how CSTA can be used to provide a subset of CSTA call control functionality, called first party call control, for Session Initiation Protocol (SIP) user agents. The term uaCSTA (for user agent CSTA) refers to transporting ECMA-323 (CSTA XML) messages over a SIP session. SIP is a control (signalling) protocol for creating, modifying, and terminating sessions with one or more participants. These sessions include Internet telephone calls, multimedia distribution, and multimedia conferences. CSTA standardizes a very powerful and flexible set of application services to observe and control voice and non-voice media calls as well as control and observe non-call related features. uaCSTA leverages SIP mechanisms to provide a highly featured, robust, and extensible set of features to support applications in the Enterprise environment. uaCSTA can be implemented by several different types of SIP user agents: directly by a SIP user agent on a SIP phone,uaCSTA can also be implemented by a SIP B2BUA to augment 3PCC functionality, andby a proxy server that is front-ending a PBX.

Document information

  • Standard from ISO/IEC
  • Published:
  • Edition: 1
  • Document type: TR
  • Pages
  • Publisher ISO/IEC
  • Distributor ISO/IEC
  • ICS 35.100.30
  • ISO TC ISO/IEC JTC 1/SC 6

Product Relations

  • Adopted from: ECMA TR/87
  • Joinded work item: ISO/IEC TR 22767:2005